./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:19:52,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:19:52,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:19:52,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:19:52,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:19:52,964 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:19:52,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:19:52,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:19:52,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:19:52,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:19:52,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:19:52,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:19:52,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:19:52,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:19:52,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:19:52,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:19:52,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:19:52,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:19:52,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:19:52,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:19:52,977 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:19:52,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:19:52,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:19:52,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:19:52,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:19:52,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:19:52,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:19:52,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:19:52,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:19:52,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:19:52,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:19:52,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:19:52,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:19:52,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:19:52,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:19:52,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:19:52,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:19:52,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:19:52,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:19:52,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:19:52,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:19:52,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:19:52,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:19:53,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:19:53,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:19:53,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:19:53,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:19:53,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:19:53,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:19:53,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:19:53,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:19:53,007 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:19:53,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:19:53,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:19:53,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:19:53,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:19:53,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:19:53,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:19:53,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:19:53,009 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:19:53,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:19:53,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:19:53,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:19:53,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:19:53,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:19:53,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:19:53,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:19:53,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:19:53,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:19:53,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:19:53,012 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:19:53,012 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:19:53,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:19:53,012 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2022-07-23 03:19:53,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:19:53,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:19:53,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:19:53,217 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:19:53,217 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:19:53,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-23 03:19:53,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6089d917/5037ee9cbe1c4d76834f74985cc625f8/FLAGba6e458f1 [2022-07-23 03:19:53,851 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:19:53,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-23 03:19:53,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6089d917/5037ee9cbe1c4d76834f74985cc625f8/FLAGba6e458f1 [2022-07-23 03:19:54,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6089d917/5037ee9cbe1c4d76834f74985cc625f8 [2022-07-23 03:19:54,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:19:54,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:19:54,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:19:54,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:19:54,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:19:54,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:19:54" (1/1) ... [2022-07-23 03:19:54,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a6aebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:54, skipping insertion in model container [2022-07-23 03:19:54,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:19:54" (1/1) ... [2022-07-23 03:19:54,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:19:54,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:19:55,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-07-23 03:19:55,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-07-23 03:19:55,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:19:55,638 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:19:55,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-07-23 03:19:55,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-07-23 03:19:55,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:19:56,000 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:19:56,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56 WrapperNode [2022-07-23 03:19:56,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:19:56,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:19:56,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:19:56,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:19:56,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,163 INFO L137 Inliner]: procedures = 411, calls = 1719, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4205 [2022-07-23 03:19:56,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:19:56,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:19:56,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:19:56,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:19:56,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:19:56,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:19:56,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:19:56,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:19:56,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (1/1) ... [2022-07-23 03:19:56,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:19:56,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:19:56,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:19:56,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:19:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-23 03:19:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-23 03:19:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:19:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:19:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:19:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 03:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 03:19:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:19:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:19:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:19:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:19:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 03:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 03:19:56,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:19:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:19:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-23 03:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-23 03:19:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-07-23 03:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-07-23 03:19:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:19:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:19:56,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:19:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:19:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 03:19:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 03:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:19:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:19:56,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:19:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 03:19:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 03:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:19:56,411 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-07-23 03:19:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-07-23 03:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:19:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:19:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:19:56,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:19:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-07-23 03:19:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-07-23 03:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-07-23 03:19:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-07-23 03:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:19:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-07-23 03:19:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-07-23 03:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:19:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:19:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:19:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:19:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:19:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:19:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:19:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:19:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 03:19:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 03:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:19:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:19:56,416 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-07-23 03:19:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-07-23 03:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-07-23 03:19:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-07-23 03:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 03:19:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 03:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:19:56,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:19:56,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-07-23 03:19:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-07-23 03:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:19:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:19:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:19:56,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:19:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:19:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:19:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:19:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:19:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:19:56,419 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:19:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:19:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:19:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:19:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 03:19:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 03:19:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:19:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:19:56,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-23 03:19:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-23 03:19:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:19:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:19:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-07-23 03:19:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-07-23 03:19:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-07-23 03:19:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-07-23 03:19:56,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:19:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:19:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:19:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:19:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:19:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:19:56,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-07-23 03:19:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-07-23 03:19:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:19:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:19:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 03:19:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 03:19:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 03:19:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 03:19:56,423 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:19:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:19:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 03:19:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 03:19:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-07-23 03:19:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-07-23 03:19:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-07-23 03:19:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-07-23 03:19:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:19:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:19:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:19:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:19:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:19:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:19:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 03:19:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 03:19:56,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:19:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:19:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:19:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:19:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:19:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-07-23 03:19:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-07-23 03:19:56,426 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:19:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:19:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-07-23 03:19:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-07-23 03:19:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-07-23 03:19:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-07-23 03:19:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-07-23 03:19:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-07-23 03:19:56,427 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-07-23 03:19:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-07-23 03:19:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:19:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:19:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:19:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-07-23 03:19:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-07-23 03:19:56,428 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-07-23 03:19:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-07-23 03:19:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:19:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:19:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 03:19:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 03:19:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-23 03:19:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-23 03:19:56,429 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-07-23 03:19:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-07-23 03:19:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:19:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:19:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:19:56,972 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:19:56,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:19:57,264 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:19:58,795 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:19:58,968 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:19:58,979 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:19:58,979 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 03:19:58,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:19:58 BoogieIcfgContainer [2022-07-23 03:19:58,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:19:58,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:19:58,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:19:58,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:19:58,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:19:54" (1/3) ... [2022-07-23 03:19:58,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a1f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:19:58, skipping insertion in model container [2022-07-23 03:19:58,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:19:56" (2/3) ... [2022-07-23 03:19:58,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a1f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:19:58, skipping insertion in model container [2022-07-23 03:19:58,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:19:58" (3/3) ... [2022-07-23 03:19:58,988 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-23 03:19:58,997 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:19:58,998 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 03:19:59,061 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:19:59,066 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@713593f7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e3deda4 [2022-07-23 03:19:59,066 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 03:19:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 1528 states, 1058 states have (on average 1.3090737240075614) internal successors, (1385), 1079 states have internal predecessors, (1385), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) [2022-07-23 03:19:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-23 03:19:59,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:19:59,100 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:19:59,101 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:19:59,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:19:59,104 INFO L85 PathProgramCache]: Analyzing trace with hash 298145663, now seen corresponding path program 1 times [2022-07-23 03:19:59,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:19:59,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611235082] [2022-07-23 03:19:59,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:19:59,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:19:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:19:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:19:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:19:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:19:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:19:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:19:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:19:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:19:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:19:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:19:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:19:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 03:19:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 03:19:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:19:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:19:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:19:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 03:19:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 03:19:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 03:19:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 03:19:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 03:19:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:19:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:19:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-23 03:19:59,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:19:59,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611235082] [2022-07-23 03:19:59,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611235082] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:19:59,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:19:59,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:19:59,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799254844] [2022-07-23 03:19:59,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:19:59,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:19:59,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:19:59,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:19:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:19:59,757 INFO L87 Difference]: Start difference. First operand has 1528 states, 1058 states have (on average 1.3090737240075614) internal successors, (1385), 1079 states have internal predecessors, (1385), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 03:20:03,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:03,485 INFO L93 Difference]: Finished difference Result 4737 states and 6851 transitions. [2022-07-23 03:20:03,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:03,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 185 [2022-07-23 03:20:03,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:03,537 INFO L225 Difference]: With dead ends: 4737 [2022-07-23 03:20:03,538 INFO L226 Difference]: Without dead ends: 3149 [2022-07-23 03:20:03,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:03,565 INFO L413 NwaCegarLoop]: 2153 mSDtfsCounter, 4296 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 2655 mSolverCounterSat, 2754 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4528 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2754 IncrementalHoareTripleChecker+Valid, 2655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:03,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4528 Valid, 4492 Invalid, 5409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2754 Valid, 2655 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-23 03:20:03,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-07-23 03:20:03,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2883. [2022-07-23 03:20:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2029 states have (on average 1.2966978807294234) internal successors, (2631), 2072 states have internal predecessors, (2631), 702 states have call successors, (702), 152 states have call predecessors, (702), 151 states have return successors, (706), 686 states have call predecessors, (706), 702 states have call successors, (706) [2022-07-23 03:20:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 4039 transitions. [2022-07-23 03:20:03,831 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 4039 transitions. Word has length 185 [2022-07-23 03:20:03,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:03,831 INFO L495 AbstractCegarLoop]: Abstraction has 2883 states and 4039 transitions. [2022-07-23 03:20:03,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 03:20:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 4039 transitions. [2022-07-23 03:20:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 03:20:03,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:03,840 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:03,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:20:03,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:03,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:03,841 INFO L85 PathProgramCache]: Analyzing trace with hash -787352515, now seen corresponding path program 1 times [2022-07-23 03:20:03,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:03,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629994755] [2022-07-23 03:20:03,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:03,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 03:20:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 03:20:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 03:20:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-23 03:20:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 03:20:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:20:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 03:20:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:20:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 03:20:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-23 03:20:04,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:04,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629994755] [2022-07-23 03:20:04,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629994755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:04,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:04,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:04,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795671311] [2022-07-23 03:20:04,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:04,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:04,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:04,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:04,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:04,264 INFO L87 Difference]: Start difference. First operand 2883 states and 4039 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 03:20:07,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:07,379 INFO L93 Difference]: Finished difference Result 8151 states and 11502 transitions. [2022-07-23 03:20:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:07,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2022-07-23 03:20:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:07,408 INFO L225 Difference]: With dead ends: 8151 [2022-07-23 03:20:07,409 INFO L226 Difference]: Without dead ends: 5291 [2022-07-23 03:20:07,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:07,424 INFO L413 NwaCegarLoop]: 2101 mSDtfsCounter, 3232 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 2427 mSolverCounterSat, 2024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 4376 SdHoareTripleChecker+Invalid, 4451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2024 IncrementalHoareTripleChecker+Valid, 2427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:07,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 4376 Invalid, 4451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2024 Valid, 2427 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 03:20:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-07-23 03:20:07,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 4775. [2022-07-23 03:20:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4775 states, 3395 states have (on average 1.3045655375552283) internal successors, (4429), 3462 states have internal predecessors, (4429), 1122 states have call successors, (1122), 258 states have call predecessors, (1122), 257 states have return successors, (1126), 1098 states have call predecessors, (1126), 1122 states have call successors, (1126) [2022-07-23 03:20:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 6677 transitions. [2022-07-23 03:20:07,600 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 6677 transitions. Word has length 196 [2022-07-23 03:20:07,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:07,601 INFO L495 AbstractCegarLoop]: Abstraction has 4775 states and 6677 transitions. [2022-07-23 03:20:07,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 03:20:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 6677 transitions. [2022-07-23 03:20:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-23 03:20:07,608 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:07,608 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:07,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:20:07,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:07,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:07,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1046522982, now seen corresponding path program 1 times [2022-07-23 03:20:07,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:07,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050850336] [2022-07-23 03:20:07,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:20:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-23 03:20:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 03:20:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 03:20:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-23 03:20:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-23 03:20:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 03:20:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 03:20:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:20:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-23 03:20:07,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:07,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050850336] [2022-07-23 03:20:07,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050850336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:07,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:07,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:07,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066758698] [2022-07-23 03:20:07,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:07,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:07,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:07,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:07,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:07,994 INFO L87 Difference]: Start difference. First operand 4775 states and 6677 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 03:20:11,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:11,493 INFO L93 Difference]: Finished difference Result 14420 states and 20270 transitions. [2022-07-23 03:20:11,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:11,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 197 [2022-07-23 03:20:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:11,545 INFO L225 Difference]: With dead ends: 14420 [2022-07-23 03:20:11,546 INFO L226 Difference]: Without dead ends: 9668 [2022-07-23 03:20:11,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:11,575 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 3990 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 2516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 5057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2516 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:11,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4195 Valid, 4334 Invalid, 5057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2516 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-23 03:20:11,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9668 states. [2022-07-23 03:20:11,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9668 to 8736. [2022-07-23 03:20:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 6183 states have (on average 1.3032508491023775) internal successors, (8058), 6304 states have internal predecessors, (8058), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-23 03:20:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 12194 transitions. [2022-07-23 03:20:11,908 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 12194 transitions. Word has length 197 [2022-07-23 03:20:11,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:11,910 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 12194 transitions. [2022-07-23 03:20:11,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 03:20:11,911 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 12194 transitions. [2022-07-23 03:20:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-23 03:20:11,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:11,917 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:11,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 03:20:11,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:11,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:11,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1641465662, now seen corresponding path program 1 times [2022-07-23 03:20:11,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:11,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634849666] [2022-07-23 03:20:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:11,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 03:20:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 03:20:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:20:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 03:20:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:12,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 03:20:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 03:20:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 03:20:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:20:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 03:20:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:20:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 03:20:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 03:20:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:20:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 03:20:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 03:20:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-23 03:20:12,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:12,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634849666] [2022-07-23 03:20:12,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634849666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:12,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:12,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:12,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351734288] [2022-07-23 03:20:12,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:12,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:12,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:12,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:12,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:12,258 INFO L87 Difference]: Start difference. First operand 8736 states and 12194 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:16,101 INFO L93 Difference]: Finished difference Result 28016 states and 39795 transitions. [2022-07-23 03:20:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:16,101 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-23 03:20:16,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:16,198 INFO L225 Difference]: With dead ends: 28016 [2022-07-23 03:20:16,198 INFO L226 Difference]: Without dead ends: 19303 [2022-07-23 03:20:16,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:16,250 INFO L413 NwaCegarLoop]: 2914 mSDtfsCounter, 3500 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 2281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 5860 SdHoareTripleChecker+Invalid, 4978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2281 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:16,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 5860 Invalid, 4978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2281 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-23 03:20:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19303 states. [2022-07-23 03:20:16,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19303 to 17447. [2022-07-23 03:20:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17447 states, 12351 states have (on average 1.291879200064772) internal successors, (15956), 12593 states have internal predecessors, (15956), 4119 states have call successors, (4119), 984 states have call predecessors, (4119), 976 states have return successors, (4282), 4021 states have call predecessors, (4282), 4119 states have call successors, (4282) [2022-07-23 03:20:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17447 states to 17447 states and 24357 transitions. [2022-07-23 03:20:16,878 INFO L78 Accepts]: Start accepts. Automaton has 17447 states and 24357 transitions. Word has length 266 [2022-07-23 03:20:16,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:16,879 INFO L495 AbstractCegarLoop]: Abstraction has 17447 states and 24357 transitions. [2022-07-23 03:20:16,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17447 states and 24357 transitions. [2022-07-23 03:20:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-23 03:20:16,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:16,889 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:16,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 03:20:16,890 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:16,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1101036156, now seen corresponding path program 1 times [2022-07-23 03:20:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:16,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403009740] [2022-07-23 03:20:16,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:16,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 03:20:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 03:20:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:20:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 03:20:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 03:20:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 03:20:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 03:20:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:20:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 03:20:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:20:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 03:20:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 03:20:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:20:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 03:20:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 03:20:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-23 03:20:17,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:17,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403009740] [2022-07-23 03:20:17,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403009740] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:17,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:17,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:17,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931468414] [2022-07-23 03:20:17,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:17,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:17,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:17,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:17,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:17,144 INFO L87 Difference]: Start difference. First operand 17447 states and 24357 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:18,835 INFO L93 Difference]: Finished difference Result 27087 states and 37767 transitions. [2022-07-23 03:20:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:20:18,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-23 03:20:18,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:18,870 INFO L225 Difference]: With dead ends: 27087 [2022-07-23 03:20:18,871 INFO L226 Difference]: Without dead ends: 9663 [2022-07-23 03:20:18,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:20:18,915 INFO L413 NwaCegarLoop]: 1874 mSDtfsCounter, 2909 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 1543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3085 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 2301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:18,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3085 Valid, 3254 Invalid, 2301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1543 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-23 03:20:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9663 states. [2022-07-23 03:20:19,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9663 to 8736. [2022-07-23 03:20:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 6183 states have (on average 1.2785055798156235) internal successors, (7905), 6304 states have internal predecessors, (7905), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-23 03:20:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 12041 transitions. [2022-07-23 03:20:19,177 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 12041 transitions. Word has length 266 [2022-07-23 03:20:19,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:19,178 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 12041 transitions. [2022-07-23 03:20:19,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 12041 transitions. [2022-07-23 03:20:19,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-23 03:20:19,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:19,184 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:19,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 03:20:19,184 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:19,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:19,185 INFO L85 PathProgramCache]: Analyzing trace with hash 945055614, now seen corresponding path program 1 times [2022-07-23 03:20:19,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:19,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595932095] [2022-07-23 03:20:19,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 03:20:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 03:20:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 03:20:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 03:20:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 03:20:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 03:20:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 03:20:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:20:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 03:20:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 03:20:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 03:20:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 03:20:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:20:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 03:20:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 03:20:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:19,500 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-23 03:20:19,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:19,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595932095] [2022-07-23 03:20:19,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595932095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:19,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:19,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:19,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913917180] [2022-07-23 03:20:19,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:19,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:19,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:19,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:19,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:19,502 INFO L87 Difference]: Start difference. First operand 8736 states and 12041 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:21,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:21,077 INFO L93 Difference]: Finished difference Result 18368 states and 25435 transitions. [2022-07-23 03:20:21,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:20:21,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-23 03:20:21,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:21,196 INFO L225 Difference]: With dead ends: 18368 [2022-07-23 03:20:21,202 INFO L226 Difference]: Without dead ends: 9655 [2022-07-23 03:20:21,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 03:20:21,258 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 2902 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 1544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1544 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:21,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 3229 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1544 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 03:20:21,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9655 states. [2022-07-23 03:20:21,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9655 to 8728. [2022-07-23 03:20:21,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 6175 states have (on average 1.2736842105263158) internal successors, (7865), 6296 states have internal predecessors, (7865), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-23 03:20:21,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 12001 transitions. [2022-07-23 03:20:21,699 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 12001 transitions. Word has length 266 [2022-07-23 03:20:21,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:21,700 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 12001 transitions. [2022-07-23 03:20:21,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:21,700 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 12001 transitions. [2022-07-23 03:20:21,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-23 03:20:21,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:21,706 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:21,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 03:20:21,707 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:21,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:21,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1680512938, now seen corresponding path program 1 times [2022-07-23 03:20:21,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:21,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300108433] [2022-07-23 03:20:21,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:21,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 03:20:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 03:20:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:20:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 03:20:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:20:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:20:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-23 03:20:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-23 03:20:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 03:20:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:20:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 03:20:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 03:20:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 03:20:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 03:20:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 03:20:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-23 03:20:21,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:21,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300108433] [2022-07-23 03:20:21,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300108433] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:21,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:21,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:21,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63556788] [2022-07-23 03:20:21,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:21,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:21,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:21,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:21,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:21,952 INFO L87 Difference]: Start difference. First operand 8728 states and 12001 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:24,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:24,948 INFO L93 Difference]: Finished difference Result 22086 states and 30547 transitions. [2022-07-23 03:20:24,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:24,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 269 [2022-07-23 03:20:24,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:25,001 INFO L225 Difference]: With dead ends: 22086 [2022-07-23 03:20:25,002 INFO L226 Difference]: Without dead ends: 13381 [2022-07-23 03:20:25,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:25,032 INFO L413 NwaCegarLoop]: 3036 mSDtfsCounter, 2410 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 2454 mSolverCounterSat, 1649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2560 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 4103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1649 IncrementalHoareTripleChecker+Valid, 2454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:25,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2560 Valid, 6143 Invalid, 4103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1649 Valid, 2454 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-23 03:20:25,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13381 states. [2022-07-23 03:20:25,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13381 to 12045. [2022-07-23 03:20:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12045 states, 8548 states have (on average 1.2751520823584463) internal successors, (10900), 8707 states have internal predecessors, (10900), 2810 states have call successors, (2810), 690 states have call predecessors, (2810), 686 states have return successors, (2818), 2749 states have call predecessors, (2818), 2810 states have call successors, (2818) [2022-07-23 03:20:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12045 states to 12045 states and 16528 transitions. [2022-07-23 03:20:25,509 INFO L78 Accepts]: Start accepts. Automaton has 12045 states and 16528 transitions. Word has length 269 [2022-07-23 03:20:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:25,510 INFO L495 AbstractCegarLoop]: Abstraction has 12045 states and 16528 transitions. [2022-07-23 03:20:25,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 03:20:25,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12045 states and 16528 transitions. [2022-07-23 03:20:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-23 03:20:25,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:25,520 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:25,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 03:20:25,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:25,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:25,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1667277328, now seen corresponding path program 1 times [2022-07-23 03:20:25,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:25,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053265397] [2022-07-23 03:20:25,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:25,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 03:20:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 03:20:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:20:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 03:20:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:20:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:20:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:20:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:20:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:20:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:20:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:20:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 03:20:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 03:20:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 03:20:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 03:20:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 03:20:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 03:20:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:20:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:20:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:20:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 03:20:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-07-23 03:20:25,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:25,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053265397] [2022-07-23 03:20:25,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053265397] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:25,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:25,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:25,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215896386] [2022-07-23 03:20:25,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:25,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:25,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:25,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:25,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:25,910 INFO L87 Difference]: Start difference. First operand 12045 states and 16528 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 03:20:29,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:29,365 INFO L93 Difference]: Finished difference Result 29091 states and 40133 transitions. [2022-07-23 03:20:29,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:29,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 343 [2022-07-23 03:20:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:29,455 INFO L225 Difference]: With dead ends: 29091 [2022-07-23 03:20:29,455 INFO L226 Difference]: Without dead ends: 17069 [2022-07-23 03:20:29,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:29,508 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2407 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 1636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2559 SdHoareTripleChecker+Valid, 6131 SdHoareTripleChecker+Invalid, 4074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1636 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:29,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2559 Valid, 6131 Invalid, 4074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1636 Valid, 2438 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-23 03:20:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17069 states. [2022-07-23 03:20:29,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17069 to 15330. [2022-07-23 03:20:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15330 states, 10901 states have (on average 1.2764883955600403) internal successors, (13915), 11098 states have internal predecessors, (13915), 3544 states have call successors, (3544), 888 states have call predecessors, (3544), 884 states have return successors, (3552), 3471 states have call predecessors, (3552), 3544 states have call successors, (3552) [2022-07-23 03:20:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15330 states to 15330 states and 21011 transitions. [2022-07-23 03:20:30,067 INFO L78 Accepts]: Start accepts. Automaton has 15330 states and 21011 transitions. Word has length 343 [2022-07-23 03:20:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:30,067 INFO L495 AbstractCegarLoop]: Abstraction has 15330 states and 21011 transitions. [2022-07-23 03:20:30,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 03:20:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 15330 states and 21011 transitions. [2022-07-23 03:20:30,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-23 03:20:30,076 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:30,077 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:30,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 03:20:30,077 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:30,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:30,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1008715054, now seen corresponding path program 1 times [2022-07-23 03:20:30,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:30,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250332971] [2022-07-23 03:20:30,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:30,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 03:20:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 03:20:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:20:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 03:20:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:20:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:20:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:20:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:20:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:20:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:20:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:20:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 03:20:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 03:20:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 03:20:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 03:20:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 03:20:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 03:20:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 03:20:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:20:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 03:20:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 03:20:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:30,523 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-07-23 03:20:30,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:30,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250332971] [2022-07-23 03:20:30,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250332971] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:30,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:30,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:20:30,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075423798] [2022-07-23 03:20:30,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:30,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:20:30,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:30,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:20:30,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:20:30,527 INFO L87 Difference]: Start difference. First operand 15330 states and 21011 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 03:20:34,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:34,393 INFO L93 Difference]: Finished difference Result 36228 states and 49917 transitions. [2022-07-23 03:20:34,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 03:20:34,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 343 [2022-07-23 03:20:34,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:34,503 INFO L225 Difference]: With dead ends: 36228 [2022-07-23 03:20:34,503 INFO L226 Difference]: Without dead ends: 20921 [2022-07-23 03:20:34,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 03:20:34,573 INFO L413 NwaCegarLoop]: 3069 mSDtfsCounter, 2768 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 2373 mSolverCounterSat, 1734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 6018 SdHoareTripleChecker+Invalid, 4107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1734 IncrementalHoareTripleChecker+Valid, 2373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:34,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2968 Valid, 6018 Invalid, 4107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1734 Valid, 2373 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-23 03:20:34,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20921 states. [2022-07-23 03:20:35,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20921 to 18779. [2022-07-23 03:20:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18779 states, 13369 states have (on average 1.2757872690552772) internal successors, (17056), 13607 states have internal predecessors, (17056), 4320 states have call successors, (4320), 1093 states have call predecessors, (4320), 1089 states have return successors, (4328), 4233 states have call predecessors, (4328), 4320 states have call successors, (4328) [2022-07-23 03:20:35,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18779 states to 18779 states and 25704 transitions. [2022-07-23 03:20:35,619 INFO L78 Accepts]: Start accepts. Automaton has 18779 states and 25704 transitions. Word has length 343 [2022-07-23 03:20:35,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:35,620 INFO L495 AbstractCegarLoop]: Abstraction has 18779 states and 25704 transitions. [2022-07-23 03:20:35,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 03:20:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 18779 states and 25704 transitions. [2022-07-23 03:20:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-23 03:20:35,632 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:35,632 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:35,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 03:20:35,633 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:35,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:35,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1201522635, now seen corresponding path program 1 times [2022-07-23 03:20:35,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:35,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620891029] [2022-07-23 03:20:35,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:35,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 03:20:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 03:20:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 03:20:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 03:20:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 03:20:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:20:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 03:20:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:35,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 03:20:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 03:20:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:20:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:20:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 03:20:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 03:20:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 03:20:36,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-23 03:20:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:20:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 03:20:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:20:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 03:20:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:20:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 03:20:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 03:20:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 03:20:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:20:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 03:20:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 03:20:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 03:20:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 03:20:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 03:20:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 03:20:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:20:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 03:20:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2022-07-23 03:20:36,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:36,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620891029] [2022-07-23 03:20:36,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620891029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:36,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:36,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:20:36,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781642356] [2022-07-23 03:20:36,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:36,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:20:36,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:36,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:20:36,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:20:36,149 INFO L87 Difference]: Start difference. First operand 18779 states and 25704 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-07-23 03:20:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:44,189 INFO L93 Difference]: Finished difference Result 58461 states and 81008 transitions. [2022-07-23 03:20:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 03:20:44,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) Word has length 403 [2022-07-23 03:20:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:44,325 INFO L225 Difference]: With dead ends: 58461 [2022-07-23 03:20:44,325 INFO L226 Difference]: Without dead ends: 39705 [2022-07-23 03:20:44,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-23 03:20:44,381 INFO L413 NwaCegarLoop]: 2394 mSDtfsCounter, 5979 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 4812 mSolverCounterSat, 4874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6154 SdHoareTripleChecker+Valid, 5691 SdHoareTripleChecker+Invalid, 9686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4874 IncrementalHoareTripleChecker+Valid, 4812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:44,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6154 Valid, 5691 Invalid, 9686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4874 Valid, 4812 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-23 03:20:44,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39705 states. [2022-07-23 03:20:45,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39705 to 31679. [2022-07-23 03:20:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31679 states, 22677 states have (on average 1.2674075054019491) internal successors, (28741), 23103 states have internal predecessors, (28741), 7090 states have call successors, (7090), 1923 states have call predecessors, (7090), 1911 states have return successors, (7106), 6909 states have call predecessors, (7106), 7090 states have call successors, (7106) [2022-07-23 03:20:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31679 states to 31679 states and 42937 transitions. [2022-07-23 03:20:45,859 INFO L78 Accepts]: Start accepts. Automaton has 31679 states and 42937 transitions. Word has length 403 [2022-07-23 03:20:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:45,860 INFO L495 AbstractCegarLoop]: Abstraction has 31679 states and 42937 transitions. [2022-07-23 03:20:45,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-07-23 03:20:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 31679 states and 42937 transitions. [2022-07-23 03:20:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-23 03:20:45,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:45,875 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:45,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 03:20:45,876 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:45,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:45,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1944326068, now seen corresponding path program 1 times [2022-07-23 03:20:45,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:45,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115417743] [2022-07-23 03:20:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:45,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 03:20:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-23 03:20:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 03:20:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 03:20:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 03:20:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 03:20:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-23 03:20:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 03:20:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 03:20:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 03:20:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:20:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:20:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 03:20:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 03:20:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 03:20:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 03:20:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 03:20:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 03:20:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:20:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 03:20:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:20:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 03:20:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 03:20:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 03:20:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:20:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:20:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 03:20:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:20:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:20:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 03:20:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 03:20:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 03:20:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 03:20:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 03:20:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-07-23 03:20:46,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:46,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115417743] [2022-07-23 03:20:46,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115417743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:46,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:46,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:20:46,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931270404] [2022-07-23 03:20:46,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:46,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:20:46,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:46,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:20:46,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:20:46,515 INFO L87 Difference]: Start difference. First operand 31679 states and 42937 transitions. Second operand has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-23 03:20:54,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:20:54,893 INFO L93 Difference]: Finished difference Result 110691 states and 153066 transitions. [2022-07-23 03:20:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 03:20:54,894 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) Word has length 426 [2022-07-23 03:20:54,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:20:55,417 INFO L225 Difference]: With dead ends: 110691 [2022-07-23 03:20:55,418 INFO L226 Difference]: Without dead ends: 79035 [2022-07-23 03:20:55,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-23 03:20:55,548 INFO L413 NwaCegarLoop]: 2580 mSDtfsCounter, 6305 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 5039 mSolverCounterSat, 5044 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6519 SdHoareTripleChecker+Valid, 6388 SdHoareTripleChecker+Invalid, 10083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5044 IncrementalHoareTripleChecker+Valid, 5039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:20:55,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6519 Valid, 6388 Invalid, 10083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5044 Valid, 5039 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-23 03:20:55,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79035 states. [2022-07-23 03:20:58,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79035 to 62953. [2022-07-23 03:20:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62953 states, 44999 states have (on average 1.2668503744527657) internal successors, (57007), 45911 states have internal predecessors, (57007), 14131 states have call successors, (14131), 3846 states have call predecessors, (14131), 3822 states have return successors, (14163), 13709 states have call predecessors, (14163), 14131 states have call successors, (14163) [2022-07-23 03:20:58,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62953 states to 62953 states and 85301 transitions. [2022-07-23 03:20:58,978 INFO L78 Accepts]: Start accepts. Automaton has 62953 states and 85301 transitions. Word has length 426 [2022-07-23 03:20:58,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:20:58,979 INFO L495 AbstractCegarLoop]: Abstraction has 62953 states and 85301 transitions. [2022-07-23 03:20:58,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-23 03:20:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 62953 states and 85301 transitions. [2022-07-23 03:20:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-07-23 03:20:59,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:20:59,004 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:20:59,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 03:20:59,004 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:20:59,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:20:59,005 INFO L85 PathProgramCache]: Analyzing trace with hash 637961587, now seen corresponding path program 1 times [2022-07-23 03:20:59,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:20:59,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746711503] [2022-07-23 03:20:59,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:20:59,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:20:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:20:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:20:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:20:59,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:20:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:20:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:20:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:20:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:20:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:20:59,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:20:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-23 03:20:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 03:20:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 03:20:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:20:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 03:20:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 03:20:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 03:20:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 03:20:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:20:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:20:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:20:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 03:20:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-23 03:20:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 03:20:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 03:20:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 03:20:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 03:20:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 03:20:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:20:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 03:20:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 03:20:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 03:20:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 03:20:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 03:20:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:20:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:20:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 03:20:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 03:20:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 03:20:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 03:20:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 03:20:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 03:20:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:20:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1052 trivial. 0 not checked. [2022-07-23 03:20:59,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:20:59,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746711503] [2022-07-23 03:20:59,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746711503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:20:59,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:20:59,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 03:20:59,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315867574] [2022-07-23 03:20:59,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:20:59,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 03:20:59,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:20:59,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 03:20:59,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 03:20:59,559 INFO L87 Difference]: Start difference. First operand 62953 states and 85301 transitions. Second operand has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 03:21:09,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:21:09,841 INFO L93 Difference]: Finished difference Result 219439 states and 303100 transitions. [2022-07-23 03:21:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 03:21:09,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 420 [2022-07-23 03:21:09,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:21:10,906 INFO L225 Difference]: With dead ends: 219439 [2022-07-23 03:21:10,906 INFO L226 Difference]: Without dead ends: 156509 [2022-07-23 03:21:11,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-23 03:21:11,210 INFO L413 NwaCegarLoop]: 4226 mSDtfsCounter, 3328 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 5454 mSolverCounterSat, 2261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 10774 SdHoareTripleChecker+Invalid, 7715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2261 IncrementalHoareTripleChecker+Valid, 5454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 03:21:11,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 10774 Invalid, 7715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2261 Valid, 5454 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 03:21:11,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156509 states. [2022-07-23 03:21:16,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156509 to 107647. [2022-07-23 03:21:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107647 states, 76999 states have (on average 1.2703411732619905) internal successors, (97815), 78583 states have internal predecessors, (97815), 23933 states have call successors, (23933), 6762 states have call predecessors, (23933), 6714 states have return successors, (23989), 23165 states have call predecessors, (23989), 23933 states have call successors, (23989) [2022-07-23 03:21:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107647 states to 107647 states and 145737 transitions. [2022-07-23 03:21:17,874 INFO L78 Accepts]: Start accepts. Automaton has 107647 states and 145737 transitions. Word has length 420 [2022-07-23 03:21:17,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:21:17,875 INFO L495 AbstractCegarLoop]: Abstraction has 107647 states and 145737 transitions. [2022-07-23 03:21:17,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 03:21:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 107647 states and 145737 transitions. [2022-07-23 03:21:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-07-23 03:21:17,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:21:17,904 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:21:17,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 03:21:17,905 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 03:21:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:21:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1427505254, now seen corresponding path program 1 times [2022-07-23 03:21:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:21:17,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461092666] [2022-07-23 03:21:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:21:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:21:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:21:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:21:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:21:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:21:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:21:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:21:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:21:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:21:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:21:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 03:21:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 03:21:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:21:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 03:21:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-23 03:21:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 03:21:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 03:21:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 03:21:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 03:21:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 03:21:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-23 03:21:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 03:21:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 03:21:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 03:21:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 03:21:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 03:21:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-23 03:21:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-23 03:21:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:21:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-23 03:21:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-23 03:21:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:21:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 03:21:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 03:21:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 03:21:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 03:21:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 03:21:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:21:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:21:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 03:21:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:21:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:21:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 03:21:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:21:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 03:21:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 03:21:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:21:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 03:21:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 03:21:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 03:21:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:21:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-23 03:21:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-23 03:21:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 03:21:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 03:21:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 03:21:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:21:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-07-23 03:21:18,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:21:18,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461092666] [2022-07-23 03:21:18,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461092666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:21:18,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:21:18,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 03:21:18,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10051677] [2022-07-23 03:21:18,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:21:18,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 03:21:18,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:21:18,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 03:21:18,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:21:18,319 INFO L87 Difference]: Start difference. First operand 107647 states and 145737 transitions. Second operand has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-23 03:21:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:21:29,170 INFO L93 Difference]: Finished difference Result 244398 states and 335627 transitions. [2022-07-23 03:21:29,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 03:21:29,171 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 446 [2022-07-23 03:21:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:21:29,906 INFO L225 Difference]: With dead ends: 244398 [2022-07-23 03:21:29,906 INFO L226 Difference]: Without dead ends: 136774 [2022-07-23 03:21:30,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-07-23 03:21:30,252 INFO L413 NwaCegarLoop]: 1802 mSDtfsCounter, 2985 mSDsluCounter, 2846 mSDsCounter, 0 mSdLazyCounter, 3597 mSolverCounterSat, 2602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3026 SdHoareTripleChecker+Valid, 4648 SdHoareTripleChecker+Invalid, 6199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2602 IncrementalHoareTripleChecker+Valid, 3597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:21:30,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3026 Valid, 4648 Invalid, 6199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2602 Valid, 3597 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 03:21:30,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136774 states.